import 'package:flutter/material.dart';
import 'package:shadcn_ui/shadcn_ui.dart';

import '../theme/yanting_tokens.dart';

class AppButton extends StatelessWidget {
  const AppButton({
    required this.label,
    required this.onPressed,
    this.icon,
    this.kind = AppButtonKind.primary,
    this.expand = false,
    super.key,
  });

  final String label;
  final VoidCallback? onPressed;
  final IconData? icon;
  final AppButtonKind kind;
  final bool expand;

  @override
  Widget build(BuildContext context) {
    final leading = icon == null ? null : Icon(icon, size: 16);
    final width = expand ? double.infinity : null;
    final child = Text(label);

    return switch (kind) {
      AppButtonKind.primary => ShadButton(
        width: width,
        onPressed: onPressed,
        leading: leading,
        child: child,
      ),
      AppButtonKind.dark => ShadButton(
        width: width,
        onPressed: onPressed,
        leading: leading,
        backgroundColor: YantingColors.foreground,
        foregroundColor: YantingColors.background,
        hoverBackgroundColor: YantingColors.foreground.withValues(alpha: 0.9),
        child: child,
      ),
      AppButtonKind.accent => ShadButton.secondary(
        width: width,
        onPressed: onPressed,
        leading: leading,
        backgroundColor: YantingColors.brandSoft,
        foregroundColor: YantingColors.primaryForeground,
        hoverBackgroundColor: YantingColors.brandSoftBorder,
        child: child,
      ),
      AppButtonKind.ghost => ShadButton.outline(
        width: width,
        onPressed: onPressed,
        leading: leading,
        child: child,
      ),
    };
  }
}

class AppIconButton extends StatelessWidget {
  const AppIconButton({
    required this.icon,
    required this.onPressed,
    this.kind = AppButtonKind.ghost,
    super.key,
  });

  final IconData icon;
  final VoidCallback? onPressed;
  final AppButtonKind kind;

  @override
  Widget build(BuildContext context) {
    final iconWidget = Icon(icon, size: 16);
    return switch (kind) {
      AppButtonKind.primary => ShadIconButton(
        onPressed: onPressed,
        icon: iconWidget,
      ),
      AppButtonKind.dark => ShadIconButton(
        onPressed: onPressed,
        backgroundColor: YantingColors.foreground,
        foregroundColor: YantingColors.background,
        hoverBackgroundColor: YantingColors.foreground.withValues(alpha: 0.9),
        icon: iconWidget,
      ),
      AppButtonKind.accent => ShadIconButton.secondary(
        onPressed: onPressed,
        backgroundColor: YantingColors.brandSoft,
        foregroundColor: YantingColors.primaryForeground,
        hoverBackgroundColor: YantingColors.brandSoftBorder,
        icon: iconWidget,
      ),
      AppButtonKind.ghost => ShadIconButton.outline(
        onPressed: onPressed,
        icon: iconWidget,
      ),
    };
  }
}

enum AppButtonKind { primary, dark, accent, ghost }